3 years ago

The actions described in the passage are best understood in the context of which of the following?

Chemistry

1 answer:

soldi70 [24.7K]3 years ago

6 0

C
I have had this question on a test before!! Hope this helps

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What is the balanced form of the chemical equation shown below?

viktelen [127]

Answer:

2gggggg

Explanation:

2ggggg

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2 years ago

2. How many moles of Na2CO3 are available?

Tanya [424]

malai aaudaina aati jabo tapai

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3 years ago

La is element 57 on the periodic table a sample contains 2.82 * 10€25 power atoms of La calculate the amount of LA

vodka [1.7K]

Answer:

$n=46.8molLa\\\\m=6.50x10^3gLa$

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate both moles and grams of lanthanum by using the Avogadro's number as a relationship of atoms to moles and its atomic mass as a relationship to moles to grams to obtain the following:

$n=2.82x10^{25}atomsLa*\frac{1molLa}{6.022x10^{23}atomsLa}=46.8molLa\\\\m=46.8molLa*\frac{138.9gLa}{1molLa} =6.50x10^3gLa$

Regards!

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2 years ago

Give 2 examples of force pairs that occur when you clean your room?

KATRIN_1 [288]

On eof the forces is inertia. This can happen when you move your furniture to clean under them. When you move an object in a straight line without chanign its composition (e.g moving a chair or a table from one side to the other) you are working with inertia. The secon force is friction. It s present when you clean a surface by rubbing it with a tool like a damp cloth or a mop.

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3 years ago

Protons are made up of _____ up quarks and one down quark

suter [353]

Answer:

two

Explanation:

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3 years ago

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